Published May 1998
| public
Book Section - Chapter
Phase noise in multi-gigahertz CMOS ring oscillators
Abstract
An analysis of the phase noise in differential and single-ended ring oscillators using a time-variant model is presented. An expression for the RMS value of the impulse sensitivity function (ISF) is derived. A closed-form equation for phase noise of ring oscillators is calculated and a lower limit on the phase noise of ring oscillators is shown. Phase noise measurements of oscillators running up to 5.5 GHz are in good agreement with the theory.
Additional Information
© 1998 IEEE. Date of Current Version: 06 August 2002. The authors would like to acknowledge Dr. Gitty Nasserbakht, Dr. Masoud Zargari, Ramin Farjad-Rad and Hirad Samavati for valuable technical discussions. They would further like to thank Texas Instruments Inc. for fabrication of the oscillators.Additional details
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